WATER DISTRIBUTION GRADE 1 EXAM
TEST PAPER QUESTIONS SOLUTIONS
GRADED A+
⩥ To prevent the entry of surface contamination into a well is the
purpose of:
a. The well casing
b. The louvers or slots
c. Well development
d. The sanitary seal. Answer: d) The Sanitary Seal
⩥ Pure water will exhibit a pH value of?
a. 0.0
b. 7.0
c. 10.5
d. 14.0. Answer: b) 7.0
,⩥ A pH reading of 6.0 units indicates that the water sample is:
a. Very acidic
b. Slightly alkaline
c. Very alkaline
d. Slightly acidic. Answer: d) Slightly Acidic
⩥ In drinking water quality, "TDS" is the abbreviation for?
a)Total digestable substances
b) Total dissolved solids
c) Time-delayed sicknesses
d) Terminal diseases started. Answer: b) Total Dissolved Solids
⩥ In drinking water regulations, the abbreviation "MCL" stands for?
a) Maximum contaminant level
b) Multiple constituent levels
c) Most common level
d) Minimum considered legal. Answer: a) Maximum contaminant level
,⩥ The MBAS method is used to determine levels of which of the
following drinking water constituents?. Answer: Forming Agent
⩥ In water quality, the symbol "mg/L" is equivalent to:
a. Micrograms per liter
b. Parts per million
c. Parts per billion
d. Mostly good levels. Answer: b) Parts per million
⩥ The term "clearwell" refers to a?. Answer: Reservoir at the outlet of a
water treatment plant.
⩥ A mechanical device often employed to prevent the over-filling and/
on over-draining of distribution system reservoir is the?. Answer:
Altitude Valve
⩥ The primary cause of water quality deterioration in distribution
system is?. Answer: Water age
⩥ The top of the pipe is called?. Answer: Soffit
⩥ The term "Springline" applies to?. Answer: The midline of a pipeline
, ⩥ When possible, a water main should be tapped while still pressurized
to?. Answer: Minimize contamination risk
⩥ A connection made into a water main that is full of under pressure is
called a?
a. Cross connection
b. Valve box
c. Wet tap
d. Spinal tap. Answer: c) Wet tap
⩥ A special valve that is used almost exclusively to facilitate making
connections to pipeline is the?
a. Gate valve
b. Corporation stop
c. Altitude valve
d. Auxiliary valve. Answer: b) Corporation Stop
⩥ Which of the following gases will deaden the sense of smell?
a. Carbon dioxide
TEST PAPER QUESTIONS SOLUTIONS
GRADED A+
⩥ To prevent the entry of surface contamination into a well is the
purpose of:
a. The well casing
b. The louvers or slots
c. Well development
d. The sanitary seal. Answer: d) The Sanitary Seal
⩥ Pure water will exhibit a pH value of?
a. 0.0
b. 7.0
c. 10.5
d. 14.0. Answer: b) 7.0
,⩥ A pH reading of 6.0 units indicates that the water sample is:
a. Very acidic
b. Slightly alkaline
c. Very alkaline
d. Slightly acidic. Answer: d) Slightly Acidic
⩥ In drinking water quality, "TDS" is the abbreviation for?
a)Total digestable substances
b) Total dissolved solids
c) Time-delayed sicknesses
d) Terminal diseases started. Answer: b) Total Dissolved Solids
⩥ In drinking water regulations, the abbreviation "MCL" stands for?
a) Maximum contaminant level
b) Multiple constituent levels
c) Most common level
d) Minimum considered legal. Answer: a) Maximum contaminant level
,⩥ The MBAS method is used to determine levels of which of the
following drinking water constituents?. Answer: Forming Agent
⩥ In water quality, the symbol "mg/L" is equivalent to:
a. Micrograms per liter
b. Parts per million
c. Parts per billion
d. Mostly good levels. Answer: b) Parts per million
⩥ The term "clearwell" refers to a?. Answer: Reservoir at the outlet of a
water treatment plant.
⩥ A mechanical device often employed to prevent the over-filling and/
on over-draining of distribution system reservoir is the?. Answer:
Altitude Valve
⩥ The primary cause of water quality deterioration in distribution
system is?. Answer: Water age
⩥ The top of the pipe is called?. Answer: Soffit
⩥ The term "Springline" applies to?. Answer: The midline of a pipeline
, ⩥ When possible, a water main should be tapped while still pressurized
to?. Answer: Minimize contamination risk
⩥ A connection made into a water main that is full of under pressure is
called a?
a. Cross connection
b. Valve box
c. Wet tap
d. Spinal tap. Answer: c) Wet tap
⩥ A special valve that is used almost exclusively to facilitate making
connections to pipeline is the?
a. Gate valve
b. Corporation stop
c. Altitude valve
d. Auxiliary valve. Answer: b) Corporation Stop
⩥ Which of the following gases will deaden the sense of smell?
a. Carbon dioxide
